Oh, yeah. I didn't think about the source/target order! Thank you for checking and sorry for the inconvenience!
On Tue, Oct 3, 2017 at 2:34 PM Marko Tiikkaja <ma...@joh.to> wrote: > On Mon, Oct 2, 2017 at 5:37 PM, <marco.pennekam...@gmail.com> wrote: > >> The following documentation comment has been logged on the website: >> >> Page: https://www.postgresql.org/docs/9.6/static/fuzzystrmatch.html >> Description: >> >> The fuzzystrmatch documentation says that the order for the Levenshtein >> cost >> parameters is insertion, deletion, substitution. Based on my tests with >> Postgres 9.4, the order should be deletion, insertion, substitution, since >> the algorithm behaves that way (this can be easily checked). > > > I did check, and they seem correct to me: > > =# select levenshtein('aaa', 'aaab', 1, 100, 100); > levenshtein > ------------- > 1 > (1 row) > > Notice that the order of the first two arguments is (source, target). > > > .m >
